BE1004764A3 - AIR swirler ENGINE INTERNAL. - Google Patents

AIR swirler ENGINE INTERNAL. Download PDF

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Publication number
BE1004764A3
BE1004764A3 BE9100566A BE9100566A BE1004764A3 BE 1004764 A3 BE1004764 A3 BE 1004764A3 BE 9100566 A BE9100566 A BE 9100566A BE 9100566 A BE9100566 A BE 9100566A BE 1004764 A3 BE1004764 A3 BE 1004764A3
Authority
BE
Belgium
Prior art keywords
air
swirl
series
slot
engine
Prior art date
Application number
BE9100566A
Other languages
French (fr)
Inventor
Sei Young Kim
Original Assignee
Sei Young Kim
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to KR2019900008216U priority Critical patent/KR920004745Y1/en
Application filed by Sei Young Kim filed Critical Sei Young Kim
Application granted granted Critical
Publication of BE1004764A3 publication Critical patent/BE1004764A3/en

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M29/00Apparatus for re-atomising condensed fuel or homogenising fuel-air mixture
    • F02M29/04Apparatus for re-atomising condensed fuel or homogenising fuel-air mixture having screens, gratings, baffles or the like
    • F02M29/06Apparatus for re-atomising condensed fuel or homogenising fuel-air mixture having screens, gratings, baffles or the like generating whirling motion of mixture
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B1/00Engines characterised by fuel-air mixture compression
    • F02B1/02Engines characterised by fuel-air mixture compression with positive ignition
    • F02B1/04Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder
    • Y02T10/146

Abstract

Air swirl device for an internal combustion engine, comprising a body (3a, 3b) and a series of blades (3 ') each having at least one elongated slot (3' '), to prevent producing negative pressure formed at the rear of the blades, thereby improving the properties of the air-fuel mixture and the engine efficiency.

Description


   <Desc / Clms Page number 1>
 



  "Air swirl device for internal combustion engine".



   The present invention relates to an air swirl device for an internal combustion engine and, more particularly, to an air swirl device comprising several blades each having at least one elongated slot.



  The air swirl device is used for spark ignition internal combustion of the carburetor or injection type, or for a diesel engine of the high compression self-ignition type.



   It is known that an increase in turbulence in a combustion chamber of an internal combustion engine improves the speed of propagation of the flame so that total combustion is achieved. However, there are a large number of problems that accompany processes that increase air circulation, such as air resistance, etc. These known facts are described in the following prior documents. For example, Japanese Patent Publication Nos. 53-2624-7 and 59-11722, as well as U.S. Patent No. 4,309,969, describe a simple turbulence device, which includes an inlet valve having a large intake resistance so that the swirl device does not create uniform air circulation.

   Japanese Patent Publication Nos. 60-17922 and 61-1064-5 and United States Patent Nos. 4,424,777, 4,332,312 and 4,339,934 describe a device comprising valves which are arranged in the vicinity of an intake valve. These devices have various drawbacks, such as, for example, air resistance, reduced air entry into the cylinder, variable air flows from intake manifolds and strong vibrations due to different turbulence ratios. and intake air volumes. U.S. Patents 3,648,674 and 4,274,386 describe a device

 <Desc / Clms Page number 2>

 with mesh and paddle mounting arranged between a carburetor and an intake manifold.

   However, the device shows a high friction so that it gives a reduced amount of inlet air and it is used only for gasoline engines of the carburetor type.



   In order to avoid these problems, United States Patent No. 4,962,642 issued to the applicant of the present invention describes air circulation systems for an internal combustion engine comprising an air filter and a device for a vortex arranged therein, comprising a series of vanes causing the air to vortex, thereby improving the properties of the air-fuel mixture and the efficiency of the engine. However, this air circulation system generally has a negative pressure behind the series of blades and air friction is created due to the turbulence of the air so that the circulation system air has several drawbacks, such as, for example, a decrease in intake air, lower power and no fuel economy.



   The present invention intends to overcome the aforementioned drawbacks of the conventional device.



   Therefore, an object of the present invention is to provide an improved air swirl device, this air swirl device comprising a series of slotted vanes each having at least one elongated slit.



   An advantage of the air swirl device of the present invention is that it minimizes the reduction of air circulation and prevents the adhesion of the fuel to the wall of the intake system and the formation of negative pressure behind the blades. This provides a good mixture of air and fuel with good evaporation and a fine and uniform fuel particle size, which improves the acceleration of the vehicle driven by the engine. If the accelerator is slightly accelerated, the amount of fuel injected is very small, thus leading to fuel savings.



   Other objects and possibilities of the device of the present invention will emerge from the detailed description given below.

 <Desc / Clms Page number 3>

 



  However, it will be noted that the detailed description and the specific examples, while representing advantageous embodiments of the invention, are given only by way of illustration, since various changes and modifications within the scope of the invention will appear obviously to those skilled in the art from this detailed description.



   In general, the present invention relates to a swirl device for an internal combustion engine, comprising a body and a series of slotted blades which extend radially from the body, each of these blades comprising at minus an elongated slit, to increase air circulation thereby reducing air resistance.



   Other details and particularities of the invention will emerge from the description below, given by way of nonlimiting example and with reference to the appended drawings, in which:
Figure 1 is a sectional view of the air circulation system of the swirl device for a gasoline engine of an internal combustion engine of the present invention.



   Figure 2 (A) is a perspective view of a swirl device of the present invention comprising a series of vanes each having at least one slot.



   Figure 2 (B) is a perspective view of another swirl device of the present invention comprising a series of vanes each having at least one slot.



   Figure 3 (A) shows the air flow current through the conventional air swirl device.



   Figure 3 (B) shows the air flow current through the air swirl device of the present invention.



   Figure 4 is a front view of vanes of the swirl device of the present invention, each comprising at least one elongated slot.



   Referring now in detail to the drawings illustrating advantageous embodiments of the present invention, as shown in Figure 1, the swirl device

 <Desc / Clms Page number 4>

 3 is arranged around the center of the air filter 2 to cause the air to swirl. As shown in Figure 1, the swirl devices 3 each comprising a series of blades 3 ', can be arranged in the part between the carburetor 7 and the intake manifold 8 in the same direction to increase the force of circulation of swirling air, which can be reduced when the swirling air passes through the carburetor 7.



   As shown in Figure 1, an additional swirl device 3 is inserted at the inlet of the exhaust manifold in the same direction to improve swirling of the exhaust gas. In addition, the swirling exhaust gas prevents back pressure, thereby achieving full exhaust and a stronger intake force. The swirl device 3 can be made of flexible materials.



   The air filter 2 is associated with an engine block 1 of a petrol engine via a carburetor 7 and an intake manifold 8 (Figure 1). The engine block 1 is associated with an exhaust manifold 9. The swirl device 3 is introduced inside the air filter 2 by a bolt and a wing nut (not shown). As shown in Figures 2 (A) and 2 (B), the swirl device 3 comprises a cylindrical disc or body 3a, 3b and a series of vanes 3 'which extend radially from the body, each comprising at least an elongated slot 3 ".



   As shown in FIG. 4, each blade has at least one elongated slot 3 ". The slot 3" is arranged vertically or horizontally in the blades or else vertically and horizontally therein.



   As shown in Figures 3 (A) and 3 (B), the air flow following the conventional air swirl device produces the negative pressure zone 5 and the swirling circulation 6 arranged behind the series of blades [Figure 3 (AT)]. However, the air flow according to the present invention prevents the production of the negative pressure zone and the swirling circulation arranged behind the series of blades 3 '[FIG. 3 (B)].

 <Desc / Clms Page number 5>

 



   In operation, when the pistons 10 and the intake valves Il descend, the air circulation filtered by the air filter element 2 is stirred by swirling by each of the vanes 3 ′ of the swirl device 3, because reduced pressure in the combustion chamber 4. A force of inertia of revolution causes a high density of air which is released in the combustion chamber. At this time, in the carburetor 7 of the gasoline engine, the fuel particles are assembled at the center of the swirling air circulation causing a uniform mixture of fuel and air. The center of the swirling air circulation moves so quickly that the fuel does not adhere to the wall of the intake duct and this results in a good response from the engine and the accelerator pedal.

   Likewise, the swirling air circulation is maintained continuously in the combustion chamber 4 so that it is continuously maintained in the exhaust manifold 9. Consequently, in the combustion chamber 4 the flame is very well distributed and the fuel is completely burned preventing the formation of noise, vibration and abrasion, and thus obtaining a longer service life and higher engine power.



   Rapid combustion is advantageous with an ignition advance time and leads to the combustion of a leaner mixture, to lower air pollution and to fuel savings. The products of combustion (carbon and oxides) are concentrated in the center of the combustion chamber and can be easily evacuated to prevent the accumulation of carbon in the combustion chamber, which could cause engine wear. The swirling action can continue in the same direction without any intake resistance when the gas leaves the combustion chamber.



   When the swirl device comprising the series of blades, each comprising at least one elongated slot, is placed in the air filter, the reduction in the content of carbon monoxide (CO) gas can reach 17% at idle speed of the motor. The increase in engine power can reach

 <Desc / Clms Page number 6>

 He %. The fuel economy can reach 6% and the reduction of the NO content can reach 5%. These results were calculated and measured by the National Institute of Industry and Research of Korea.



   It should be understood that the present invention is in no way limited to the above embodiments and that many modifications can be made thereto without departing from the scope of this patent.

Claims (7)

  1.  CLAIMS 1. A swirl device for an internal combustion engine, characterized in that it comprises a body (3a, 3b) as well as a series of blade elements (3 ') which extend radially from the body for increase the air circulation, at least one elongated slot (3 ") being arranged in each of these vane elements (3 '), so as to prevent producing the negative pressure formed at the rear of the vane elements , so as to produce an intense swirling force which is maintained by the reduced resistance caused by the air circulation of the vane elements (3 ').
  2.  2. Air swirl device according to claim 1, characterized in that the series of blade elements (3 ') each comprises at least one slot (3 ") elongated horizontally.
  3.  3. Air swirl device according to claim 1, characterized in that the series of blade elements (3 ') each comprises at least one slot (3 ") elongated vertically.
  4.  4. Air swirl device according to claim 1, characterized in that the series of blade elements (3 ') - each comprises at least one slot (3 ") elongated horizontally and a slot (3") elongated vertically.
  5.  5. An air circulation device according to claim 1, characterized in that the body (3a, 3b) is cylindrical.
  6.  6. A swirl device according to claim 1, characterized in that it is placed in an air filter (2).
  7.  7. Air circulation device according to claim 6, characterized in that the blade elements (3 ') are placed inside the air filter element (2).
BE9100566A 1990-06-12 1991-06-12 AIR swirler ENGINE INTERNAL. BE1004764A3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019900008216U KR920004745Y1 (en) 1990-06-12 1990-06-12 Intake revolution device for internal combustion engine

Publications (1)

Publication Number Publication Date
BE1004764A3 true BE1004764A3 (en) 1993-01-26

Family

ID=19299780

Family Applications (1)

Application Number Title Priority Date Filing Date
BE9100566A BE1004764A3 (en) 1990-06-12 1991-06-12 AIR swirler ENGINE INTERNAL.

Country Status (15)

Country Link
US (1) US5113838A (en)
JP (1) JPH0524941U (en)
KR (1) KR920004745Y1 (en)
CN (1) CN2105560U (en)
AU (1) AU633216B2 (en)
BE (1) BE1004764A3 (en)
CA (1) CA2044358C (en)
DE (1) DE4119081C2 (en)
FR (1) FR2663083A1 (en)
GB (1) GB2245028B (en)
HK (1) HK106094A (en)
IT (1) IT1248490B (en)
RU (1) RU2023899C1 (en)
SE (1) SE9101770L (en)
SG (1) SG104094G (en)

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Also Published As

Publication number Publication date
CA2044358C (en) 1996-12-03
KR920000893U (en) 1992-01-28
GB2245028B (en) 1994-04-20
DE4119081C2 (en) 1994-01-27
SE9101770D0 (en) 1991-06-11
ITMI911620D0 (en) 1991-06-12
RU2023899C1 (en) 1994-11-30
JPH0524941U (en) 1993-04-02
CN2105560U (en) 1992-05-27
CA2044358A1 (en) 1991-12-13
KR920004745Y1 (en) 1992-07-18
AU7831591A (en) 1991-12-19
GB9112490D0 (en) 1991-07-31
GB2245028A (en) 1991-12-18
SG104094G (en) 1994-10-28
FR2663083A1 (en) 1991-12-13
HK106094A (en) 1994-10-14
DE4119081A1 (en) 1991-12-19
SE9101770L (en) 1991-12-13
AU633216B2 (en) 1993-01-21
US5113838A (en) 1992-05-19
ITMI911620A1 (en) 1992-12-13
IT1248490B (en) 1995-01-19

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Owner name: KIM SEI YOUNG

Effective date: 19970630